package com.kaluli.system.annotation;

import java.lang.reflect.Method;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterThrowing;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import com.alibaba.fastjson.JSON;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

@Aspect
@Component
public class SystemLogAspect {

	//@Resource
	//private LogService logService;
	
	private static final Logger logger = LoggerFactory.getLogger(SystemLogAspect.class);
	
	@Pointcut("@annotation(com.kaluli.system.annotation.SystemServiceLog)")
	public void serviceAspect(){}
	
	@Pointcut("@annotation(com.kaluli.system.annotation.SystemControllerLog)")
	public void controllerAspect(){}
	

	@Before("controllerAspect()")
	public void doBefore(JoinPoint joinPoint){
		HttpServletRequest request = ((ServletRequestAttributes)RequestContextHolder.getRequestAttributes()).getRequest();
		HttpSession session  = request.getSession();
		
	
	
	}
	
	@AfterThrowing(pointcut="serviceAspect()",throwing="e")
	public void doAfterThrowing(JoinPoint joinPoint,Throwable e){
		String params = "";
		if(joinPoint.getArgs()!=null && joinPoint.getArgs().length>0){
			for(int i=0;i<joinPoint.getArgs().length;i++){
				params += JSON.toJSONString(joinPoint.getArgs()[i]+";");
			}
		}
		try {    
            /*========控制台输出=========*/    
          System.out.println("=====异常通知开始=====");    
          System.out.println("异常代码:" + e.getClass().getName());    
          System.out.println("异常信息:" + e.getMessage());    
          System.out.println("异常方法:" + (joinPoint.getTarget().getClass().getName() + "." + joinPoint.getSignature().getName() + "()"));    
          System.out.println("方法描述:" + getServiceMthodDescription(joinPoint));    
          System.out.println("请求人:" );    
          System.out.println("请求IP:" );    
          System.out.println("请求参数:" + params);    
             /*==========数据库日志=========*/    
//          Log log = SpringContextHolder.getBean("logxx");    
//          log.setDescription(getServiceMthodDescription(joinPoint));    
//          log.setExceptionCode(e.getClass().getName());    
//          log.setType("1");    
//          log.setExceptionDetail(e.getMessage());    
//          log.setMethod((joinPoint.getTarget().getClass().getName() + "." + joinPoint.getSignature().getName() + "()"));    
//          log.setParams(params);    
//          log.setCreateBy(user);    
//          log.setCreateDate(DateUtil.getCurrentDate());    
//          log.setRequestIp(ip);    
//          //保存数据库    
//          logService.add(log);    
          System.out.println("=====异常通知结束=====");    
      }  catch (Exception ex) {    
          //记录本地异常日志    
          logger.error("==异常通知异常==");    
          logger.error("异常信息:{}", ex.getMessage());    
      }    
       /*==========记录本地异常日志==========*/    
      logger.error("异常方法:{}异常代码:{}异常信息:{}参数:{}", joinPoint.getTarget().getClass().getName() + joinPoint.getSignature().getName(), e.getClass().getName(), e.getMessage(), params);    
  
	}
	
    /**  
     * 获取注解中对方法的描述信息 用于service层注解  
     *  
     * @param joinPoint 切点  
     * @return 方法描述  
     * @throws Exception  
     */    
     public  static String getServiceMthodDescription(JoinPoint joinPoint)    
             throws Exception {    
        String targetName = joinPoint.getTarget().getClass().getName();    
        String methodName = joinPoint.getSignature().getName();    
        Object[] arguments = joinPoint.getArgs();    
        Class targetClass = Class.forName(targetName);    
        Method[] methods = targetClass.getMethods();    
        String description = "";    
         for (Method method : methods) {    
             if (method.getName().equals(methodName)) {    
                Class[] clazzs = method.getParameterTypes();    
                 if (clazzs.length == arguments.length) {    
                    description = method.getAnnotation(SystemServiceLog. class).description();    
                     break;    
                }    
            }    
        }    
         return description;    
    }    
    
    /**  
     * 获取注解中对方法的描述信息 用于Controller层注解  
     *  
     * @param joinPoint 切点  
     * @return 方法描述  
     * @throws Exception  
     */    
     public  static String getControllerMethodDescription(JoinPoint joinPoint)  throws Exception {    
        String targetName = joinPoint.getTarget().getClass().getName();    
        String methodName = joinPoint.getSignature().getName();    
        Object[] arguments = joinPoint.getArgs();    
        Class targetClass = Class.forName(targetName);    
        Method[] methods = targetClass.getMethods();    
        String description = "";    
         for (Method method : methods) {    
             if (method.getName().equals(methodName)) {    
                Class[] clazzs = method.getParameterTypes();    
                 if (clazzs.length == arguments.length) {    
                    description = method.getAnnotation(SystemControllerLog. class).description();    
                     break;    
                }    
            }    
        }    
         return description;    
    }    
	
}
